MAX5954LETX+T Maxim Integrated Products, MAX5954LETX+T Datasheet - Page 10

• Manufacturer Part Number: MAX5954LETX+T
• Description: IC PCI EXP/HOT-PLUG CTRLR 36TQFN
• Manufacturer: Maxim Integrated Products
• Type: Hot-Swap Controllerr

Specifications of MAX5954LETX+T

• Applications: General Purpose, PCI Express
• Internal Switch(s): No
• Voltage - Supply: 3.3V, 12V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-WFQFN Exposed Pad
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Single PCI Express, Hot-Plug
Controller
(V
FAULT = 10kΩ to 3.3VAUXIN, PWRGDA = 10kΩ to 3.3VAUXO, T
Circuit.)
10
12VIN
______________________________________________________________________________________
= V
10V/div
10V/div
5V/div
5V/div
5V/div
5V/div
5V/div
5V/div
12S+
PRESENT-DETECT (ON/OFF) OPERATION
= 12V, V
FORCED-ON (ON/OFF) OPERATION
POWER-UP INTO FAULT
3.3VAUXIN
(3.3V MAIN)
40ms/div
40ms/div
4ms/div
t
SU
= V
R
LOAD
3.3S+
MAX5954 toc34
MAX5954 toc36
MAX5954 toc38
= 0.5Ω
= V
12V OUTPUT VOLTAGE
3.3VAUXO
OUTPUT VOLTAGE
PWRGD
PRES-DET
12V OUTPUT VOLTAGE
3.3VAUXO
OUTPUT VOLTAGE
PWRGD
FON
Typical Operating Characteristics (continued)
3.3V OUTPUT CURRENT
4A/div
3.3V OUTPUT VOLTAGE
2V/div
ON, AUXON
5V/div
FAULT
5V/div
3.3G
5V/div
ON
= V
AUXON
= V
A
INPUT
10V/div
10V/div
5V/div
5V/div
5V/div
5V/div
5V/div
5V/div
= +25°C, unless otherwise noted, see the Typical Application
= 3.3V, PRES-DET = GND, FON = PORADJ = TIM = float,
PRESENT-DETECT (ON/OFF) OPERATION
FORCED-ON (ON/OFF) OPERATION
POWER-UP INTO FAULT
(12V OUTPUT)
4ms/div
4ms/div
4ms/div
t
SU
MAX5954 toc35
MAX5954 toc39
MAX5954 toc37
12V OUTPUT VOLTAGE
3.3VAUXO
OUTPUT VOLTAGE
PWRGD
FON
12V OUTPUT CURRENT
5A/div
12G
10V/div
12V OUTPUT VOLTAGE
10V/div
ON, AUXON
5V/div
FAULT
5V/div
12V OUTPUT VOLTAGE
3.3VAUXO
OUTPUT VOLTAGE
PWRGD
PRES-DET